/// <summary>
/// Triggered when the slow timer ticks
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnSlowTimerTick(object sender, EventArgs e)
{
if (_updateCandlesTask == null || _updateCandlesTask.IsCompleted || _updateCandlesTask.IsFaulted || _updateCandlesTask.IsCanceled)
{
if (DateTime.UtcNow.Subtract(_lastUpdate).TotalSeconds >= 5)
{
int period = dataSelector.SelectedPeriodInMin;
var fromDate = dataSelector.FromDate;
var updateTask = Task.Factory.StartNew(() => { UpdateCandles(fromDate, period, _selectedPair); });
_updateCandlesTask = updateTask.ContinueWith(_ =>
{
if (_candles.Count > 0)
{
myChartControl.DrawChart(_candles, Constants.PriceSerieName);
}
}, CancellationToken.None, TaskContinuationOptions.None, TaskScheduler.FromCurrentSynchronizationContext())
.ContinueWith(t =>
{
if (_strategy != null)
{
_strategy.OnTick(_candles);
}
});
}
}
else if (_updateCandlesTask != null)
{
lblStatus.Text = lblStatus.Text + ".";
}
}
